Preparing for Your First Bike Fit

TL;DR

If you are wondering what happens during a bike fitting, the process begins with understanding your body, your riding history, and your goals. A structured bike fit assessment includes a clinical discussion, a movement assessment bike fit, and on-bike adjustments based on how you move under load. Preparing well helps you get more from the session and ensures the outcome reflects how you actually ride.

A Bike Fit Is Not Just About the Bike

Many first-time riders expect a bike fit to focus on measurements and adjustments.

That is only part of it.

A structured session starts with you. Your movement, your history, and your goals shape the entire process. The bike is adjusted to support that, not the other way around.

Understanding what happens during a bike fitting helps set realistic expectations and allows you to prepare in a way that makes the session more effective.

What Happens During a Bike Fitting

A bike fit assessment follows a structured process.

While details may vary, most sessions include three key stages.

1. Initial Discussion and Rider History

The session begins off the bike.

You will be asked about:

• Your riding background

• Current training or riding habits

• Any discomfort or pain you experience

• Previous injuries or limitations

This information provides context.

For example, a past injury may still influence how your body moves on the bike. Without understanding this, adjustments may only address the surface issue.

2. Movement Assessment

A movement assessment bike fit looks at how your body functions.

This may include:

• Joint range of motion

• Muscle balance and asymmetry

• Stability and control

• Functional movement patterns

Humans are not symmetrical. Even small differences can influence how you sit and move on the bike.

This stage helps identify patterns that may affect comfort, efficiency, or injury risk.

3. On-Bike Assessment and Adjustments

Once on the bike, your movement is assessed under load.

This involves:

• Observing your pedal stroke

• Assessing joint tracking

• Identifying areas of instability or compensation

Adjustments are then made to:

• Saddle height and position

• Handlebar reach and height

• Cleat alignment

Each change is based on how your body responds, not on a fixed template.

Understanding what happens during a bike fitting makes it clear that the process is guided by observation and response rather than guesswork.

What to Bring to Your Bike Fit

Preparation influences the outcome.

Bringing the right items ensures the session reflects how you actually ride.

Your Bike

Bring the bike you ride most often.

If you have multiple bikes, consider which one you want to prioritise.

Cycling Shoes

Cleat position plays a significant role in how you pedal.

Bringing your own shoes ensures adjustments are made to your actual setup.

Cycling Kit

Wear the clothing you normally ride in.

This helps replicate real riding conditions and ensures accurate assessment.

Any Current Equipment

Bring items such as:

• Insoles or orthotics

• Different saddles you have used

• Accessories that affect your position

These provide useful context and allow adjustments to be made with your full setup in mind.

Information About Discomfort

Be prepared to describe:

• Where discomfort occurs

• When it appears during a ride

• What makes it better or worse

Clear descriptions help guide the assessment.

What to Expect During the Session

A bike fit is a process rather than a quick adjustment.

Time and Structure

Most sessions take between two and three hours.

This allows time for:

• Assessment

• Adjustment

• Reassessment

Incremental Changes

Adjustments are usually made in small steps.

This helps identify how each change affects your movement and comfort.

Large changes are rarely made all at once.

Ongoing Feedback

Your feedback is part of the process.

You may be asked how certain adjustments feel or whether they change how you apply effort.

This helps refine the position further.

What a Bike Fit Does and Does Not Do

A bike fit can improve how your position supports your body.

It can:

• Reduce discomfort

• Improve stability

• Support more efficient movement

It does not:

• Replace training

• Instantly resolve all issues

• Eliminate the need for adaptation

Understanding this helps set realistic expectations.

After the Bike Fit: What Comes Next

Changes made during the session may feel subtle at first.

Over time, they tend to become more noticeable.

After your fit, you may experience:

• Improved comfort during rides

• More stable positioning

• Better consistency in effort

It is normal for the body to take time to adapt.

In some cases, follow-up adjustments may be useful as your riding continues.

Common Concerns Before a First Bike Fit

Will It Feel Very Different

Not necessarily.

The aim is not to create a dramatic change. It is to create a position that feels appropriate and sustainable.

Do I Need to Be an Experienced Cyclist

No.

A bike fit assessment is useful for both new and experienced riders.

What If I Am Not Flexible

Flexibility is only one factor.

A movement assessment bike fit takes your current mobility into account and builds a position around it.

A Practical Self-Check Before Booking

Before considering a booking, ask yourself:

Do you feel unsure whether your current position is helping or limiting your riding?

If the answer is yes, a structured assessment can provide clarity.

Uncertainty is often a sign that adjustments are being made without a clear understanding of the system.

How to Get the Most Out of Your Session

To make the session effective:

• Be honest about discomfort and limitations

• Bring your usual equipment

• Be open to small, incremental changes

• Allow time for adaptation after the session

The more accurately the session reflects your real riding conditions, the more useful the outcome will be.

The Aim

The aim is not to adjust your bike into a standard position.

It is to understand how your body moves, identify what may be limiting your comfort or efficiency, and build a position that supports your riding over time.

This is the approach taken at Aerro Physio Bike Fit, where the focus is on the rider first and the bike second.

FAQs

1. What happens during a bike fitting

A bike fit assessment includes a discussion of your history, a movement assessment, and on-bike adjustments based on how you move.

2. How long does a bike fit take

Most sessions take between two and three hours depending on the level of detail required.

3. What should I wear to a bike fit

Wear your usual cycling kit so the assessment reflects real riding conditions.

4. Do I need to bring my own bike

Yes. The session is based on your bike and how you interact with it.

5. What is a movement assessment in a bike fit

A movement assessment bike fit evaluates mobility, stability, and movement patterns to guide adjustments.

6. Will I need follow-up sessions

In some cases, follow-up sessions may be useful as your body adapts or your riding changes.